diff --git a/Cargo.lock b/Cargo.lock
index 42d8f444a8..b1339d179b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -24,6 +24,12 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
 [[package]]
 name = "cloudabi"
 version = "0.1.0"
@@ -61,7 +67,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
 dependencies = [
  "autocfg",
- "cfg-if",
+ "cfg-if 0.1.10",
  "crossbeam-utils",
  "lazy_static",
  "maybe-uninit",
@@ -76,7 +82,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
 dependencies = [
  "autocfg",
- "cfg-if",
+ "cfg-if 0.1.10",
  "lazy_static",
 ]
 
@@ -108,7 +114,7 @@ version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc587bc0ec293155d5bfa6b9891ec18a1e330c234f896ea47fbada4cadbe47e6"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "libc",
  "wasi",
 ]
@@ -163,6 +169,15 @@ dependencies = [
  "proc-macro-hack",
 ]
 
+[[package]]
+name = "indoc"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5a75aeaaef0ce18b58056d306c27b07436fbb34b8816c53094b76dd81803136"
+dependencies = [
+ "unindent",
+]
+
 [[package]]
 name = "indoc-impl"
 version = "0.3.6"
@@ -182,7 +197,7 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "63312a18f7ea8760cdd0a7c5aac1a619752a246b833545e3e36d1f81f7cd9e66"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
 ]
 
 [[package]]
@@ -310,12 +325,12 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1afa393812b0e4c33d8a46054028ce39d79f954dfa98298f25691abf00b24e39"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "libc",
  "ndarray",
  "num-complex",
  "num-traits",
- "pyo3",
+ "pyo3 0.11.1",
 ]
 
 [[package]]
@@ -335,7 +350,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "cloudabi",
  "instant",
  "libc",
@@ -354,6 +369,12 @@ dependencies = [
  "proc-macro-hack",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5d65c4d95931acda4498f675e332fcbdc9a06705cd07086c510e9b6009cd1c1"
+
 [[package]]
 name = "paste-impl"
 version = "0.1.18"
@@ -401,15 +422,32 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ca8710ffa8211c9a62a8a3863c4267c710dc42a82a7fd29c97de465d7ea6b7d"
 dependencies = [
  "ctor",
- "indoc",
+ "indoc 0.3.6",
  "inventory",
  "libc",
  "parking_lot",
- "paste",
+ "paste 0.1.18",
  "pyo3cls",
  "unindent",
 ]
 
+[[package]]
+name = "pyo3"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5cdd01a4c2719dd1f3ceab0875fa1a2c2cd3c619477349d78f43cd716b345436"
+dependencies = [
+ "cfg-if 1.0.0",
+ "ctor",
+ "indoc 1.0.3",
+ "inventory",
+ "libc",
+ "parking_lot",
+ "paste 1.0.4",
+ "pyo3-macros",
+ "unindent",
+]
+
 [[package]]
 name = "pyo3-derive-backend"
 version = "0.11.1"
@@ -421,6 +459,28 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "pyo3-macros"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f8218769d13e354f841d559a19b0cf22cfd55959c7046ef594e5f34dbe46d16"
+dependencies = [
+ "pyo3-macros-backend",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "pyo3-macros-backend"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc4da0bfdf76f0a5971c698f2cb6b3f832a6f80f16dedeeb3f123eb0431ecce2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "pyo3cls"
 version = "0.11.1"
@@ -537,7 +597,7 @@ dependencies = [
  "ndarray",
  "numpy",
  "petgraph",
- "pyo3",
+ "pyo3 0.13.0",
  "rand",
  "rand_pcg",
  "rayon",
@@ -574,9 +634,9 @@ checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
 [[package]]
 name = "unindent"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af41d708427f8fd0e915dcebb2cae0f0e6acb2a939b2d399c265c39a38a18942"
+checksum = "f14ee04d9415b52b3aeab06258a3f07093182b88ba0f9b8d203f211a7a7d41c7"
 
 [[package]]
 name = "wasi"
diff --git a/Cargo.toml b/Cargo.toml
index bb2c53f6fe..846620463f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ rand_pcg = "0.2"
 rayon = "1.4"
 
 [dependencies.pyo3]
-version = "0.11.1"
+version = "0.13.0"
 features = ["extension-module"]
 
 [dependencies.hashbrown]